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      <div class="course-detail-name">PHP面向对象基础</div>
      <div class="course-detail-intro">在这门课程中, 您将学会面向对象思想, 以及软件工程方法.</div>
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        2108 名学生已注册 | 共24个视频 | 中级
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        ¥ 120
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        ¥ 120
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  <h1 class="course-table-title">课程表</h1>
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        <label for="radio-option-1">第一章节: PHP5.6基础语法</label>
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          Accordions (from 19th century German Akkordion, from Akkord - “musical chord, concord of sounds”) are a family of box-shaped
          musical instruments of the bellows-driven free-reed aerophone type, colloquially referred to as a squeezebox. A
          person who plays the accordion is called an accordionist. The concertina and bandoneón are related; the harmonium
          and American reed organ are in the same family.
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        <label for="radio-option-2">第一章节: 继承,封装,多态</label>
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          <p>Accordions have many configurations and types. What may be technically possible to do with one accordion could
            be impossible with another:</p>
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            <li>Some accordions are bisonoric, producing different pitches depending on the direction of bellows movement</li>
            <li>Others are unisonoric and produce the same pitch in both directions</li>
            <li>Some use a chromatic buttonboard for the right-hand manual</li>
            <li>Others use a diatonic buttonboard for the right-hand manual</li>
            <li>Yet others use a piano-style musical keyboard for the right-hand manual</li>
            <li>Some can play in different registers</li>
            <li>Craftsmen and technicians may tune the same registers differently, “personalizing” the end result, such as an
              organ technician might voice a particular instrument</li>
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        <label for="radio-option-3">第三章节: 设计模式</label>
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          <p>The accordion is a free reed instrument and is in the same family as other instruments such as the sheng and khaen.
            The sheng and khaen are both much older than the accordion and this type of reed did inspire the kind of free
            reeds in use in the accordion as we know it today.</p>
          <p>The accordion’s basic form is believed to have been invented in Berlin in 1822 by Christian Friedrich Ludwig Buschmann,
            although one instrument has been recently discovered that appears to have been built earlier.</p>
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